188491715160 has 512 divisors, whose sum is σ = 680095180800. Its totient is φ = 40899133440.

The previous prime is 188491715131. The next prime is 188491715171. The reversal of 188491715160 is 61517194881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 229587550 + ... + 229588370.

It is an arithmetic number, because the mean of its divisors is an integer number (1328310900).

Almost surely, 2^188491715160 is an apocalyptic number.

188491715160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188491715160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340047590400).

188491715160 is an abundant number, since it is smaller than the sum of its proper divisors (491603465640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188491715160 is a wasteful number, since it uses less digits than its factorization.

188491715160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 51.

The spelling of 188491715160 in words is "one hundred eighty-eight billion, four hundred ninety-one million, seven hundred fifteen thousand, one hundred sixty".